Rhymney Valley: Workings in the Yard Seam, Various Collieries

Scope and Content

The following collieries are shown on the plan: Fochriw, Bedlinog, Ogilvie, Penallta, Oakdale, Groesfaen, Pochin, Markham and Britannia, Mclaren, New Tredegar, Bargoed, Brithdir and Elliot. The plan is undated but shows workings dating up to c1980. Scale Six Inches: 1 mile

Administrative / Biographical History

Ordnance Survey, Glamorgan Sheets 28NE, 19NE, 19SE, 20NW, 20SW, 12NE, 12SE and Monmouthshire 22NW, 22NE, 22SE. NCB Areas No.4 and No.6.

Custodial History

Original reference: DNCB/73/35/3